Question

Sin(5/3x+п/4)=-корень3/2​

Answer 1

sin(5x/3+Π/4)=-√3/2;

5x/3+Π/4=(-1)^(k+1)*Π/3+Πk;

5x/3=(-1)^(k+1*Π/3-Π/4+Πk;

x=(-1)^(k+1)*Π/5-3Π/20+3Πk/5, kєz

P.S Вроде всё правильно